General Awareness · Science General
Inventors and Scientific Discoveries
4,616 Questions
This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.
Famous inventionsNobel Prize winnersScientific conceptsKey inventors
Inventors and Scientific Discoveries Questions
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Leonard & Rajesh
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Sheldon & Wolowitchz
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Leonard & Sheldon
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Rajesh & Wolowitchz
C
Correct answer
Explanation
In the TV show 'The Big Bang Theory', Leonard Hofstadter and Sheldon Cooper are roommates who live together in apartment 4A. This is a fundamental premise of the show's setup. Leonard and Sheldon are the two main scientist characters who share an apartment throughout the series.
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Sheldon
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Rajesh
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Wolowitchz
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Leonard
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Founder of France
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Anne Frank's father
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The one who invented Television
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None of the above
B
Correct answer
Explanation
Otto Frank was the father of Anne Frank, the Jewish girl who wrote a famous diary while hiding from the Nazis during World War II. He survived the Holocaust and published his daughter's diary, making her story known worldwide. He was not the founder of France nor the inventor of television.
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Wilhelm Rontgen
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Ronal Ross
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Lord Rayleigh
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Rudyard Kipling
A
Correct answer
Explanation
Wilhelm Röntgen (Germany) was awarded the first Nobel Prize in Physics in 1901 for his discovery of X-rays. Ronald Ross (Medicine, 1902), Lord Rayleigh (Physics, 1904), and Rudyard Kipling (Literature, 1907) all won Nobel Prizes but not the first ones.
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William Kelly
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Philippe Kahn
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Jeremy Watt
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Joel Engel
B
Correct answer
Explanation
Philippe Kahn invented the camera phone in 1997 by combining a digital camera with a mobile phone. He took the first camera phone photo at the birth of his daughter, pioneering the technology that would revolutionize mobile photography.
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Adrian Girzone
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Joel Engel
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Martin Cooper
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William Kelly
C
Correct answer
Explanation
Martin Cooper led the Motorola team that created the first handheld mobile phone in 1973. He made the first public call on a mobile phone on April 3, 1973, demonstrating the device to reporters. Joel Engel was a competitor at Bell Labs, while Adrian Girzone and William Kelly have no connection to mobile phone invention.
B
Correct answer
Explanation
The correct sentence arrangement is: 'Although a great scientist (Q), Einstein was weak in arithmetic (R) right from his school days (S).' The completed clause is 'It has been established that (P).' QPRS creates the coherent sentence: 'It has been established that although a great scientist, Einstein was weak in arithmetic right from his school days.'
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Bill and Harry Wright
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Milton and Kurtis Smith
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Orville and Wilbur Wright
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Ben and Jerry
C
Correct answer
Explanation
The Wright brothers, Orville and Wilbur, are credited with inventing, building, and flying the world's first successful airplane. On December 17, 1903, they made the first controlled, sustained flight of a powered, heavier-than-air aircraft at Kitty Hawk, North Carolina. Their achievement was based on years of experimentation with gliders and wind tunnel testing. The other options are incorrect pairs or refer to unrelated entities (Ben and Jerry is an ice cream company).
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Alfred Siemens
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Gyandev
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Warren Fastings
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Aryabhatta
B
Correct answer
Explanation
Snakes and Ladders was invented by the 13th century Indian saint Gyandev as 'Moksha Patam' to teach children about virtues (ladders) and vices (snakes). It was later colonialized and modified by the British. Alfred Siemens and Warren Fastings are not associated with this game, and Aryabhatta was a mathematician-astronomer.
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James watt
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Michael Faraday
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Louis Pauster
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Daniel fahrenheit
D
Correct answer
Explanation
Daniel Fahrenheit (D) invented both the mercury thermometer (1714) and the alcohol thermometer earlier in 1709. James Watt worked on steam engines, Michael Faraday discovered electromagnetic induction, and Louis Pasteur pioneered pasteurization.
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Edward Jenner
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Joseph Lister
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William Harvey
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Jonon Esals
C
Correct answer
Explanation
William Harvey, an English physician, discovered the circulation of blood in 1628 through his work 'De Motu Cordis' (On the Motion of the Heart), demonstrating that blood is pumped around the body by the heart. Edward Jenner developed the smallpox vaccine, and Joseph Lister pioneered antiseptic surgery.
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Edison
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Babbage
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Mac Millen
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Rangabhashyam
B
Correct answer
Explanation
Charles Babbage is considered the 'father of the computer' for designing the Difference Engine (1822) and the Analytical Engine (1837), which contained the essential elements of modern computers. Thomas Edison was an inventor known for the light bulb and phonograph, not computers.
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Darwin
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Lammarck
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Oparin
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Haechel
C
Correct answer
Explanation
Alexander Oparin, a Soviet biochemist, proposed the theory of chemical evolution of life in his 1924 book 'The Origin of Life,' suggesting that life arose gradually from inorganic molecules through chemical reactions. Darwin proposed natural selection, and Lamarck proposed an earlier theory of evolution based on acquired characteristics.
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Edward Jenner
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Joseph Lister
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Henry William
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John Sleeman
B
Correct answer
Explanation
Joseph Lister pioneered antiseptic surgery in 1865, introducing carbolic acid to sterilize instruments and wounds, dramatically reducing infection rates. Edward Jenner developed the smallpox vaccine. Henry William and John Sleeman are not associated with antiseptic surgery.
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T. H. Huxley
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Leeuwenhoek
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Rudolf Virchow
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J. C. Bose
A
Correct answer
Explanation
T. H. Huxley, the famous biologist, described protoplasm as 'the physical basis of life' in 1868. Protoplasm is the living content of a cell. Leeuwenhoek was an early microscopist, Virchow is known for 'omnis cellula e cellula', and J. C. Bose was a plant physiologist.